Home / 27,261.32-40,883.34-8,789

Finding the Fourth Proportional to 27,261.32, 40,883.34 and 8,789

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Solution

The fourth proportional to 27,261.32, 40,883.34 and 8,789 is: 13,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.32 : 40,883.34 = 8,789 : x
  2. Step 2: Convert to fraction form
    27,261.32/40,883.34 = 8,789/x
  3. Step 3: Cross multiply
    27,261.32x = 40,883.34 × 8,789
  4. Step 4: Simplify right side
    27,261.32x = 359,323,675.26
  5. Step 5: Solve for x
    x = 359,323,675.26/27,261.32
  6. Step 6: Final answer
    x = 13,180.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.